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patch 8.2.1091: no check if opening a pty works

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Problem:    No check if opening a pty works.
Solution:   Check for invalid file descriptor.
This commit is contained in:
Bram Moolenaar
2020-06-29 22:40:42 +02:00
parent 9b5384b97e
commit d034220c54
2 changed files with 4 additions and 0 deletions
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2
src/os_unix.c
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@@ -5922,6 +5922,8 @@ mch_create_pty_channel(job_T *job, jobopt_T *options)
channel_T *channel;
open_pty(&pty_master_fd, &pty_slave_fd, &job->jv_tty_out, &job->jv_tty_in);
if (pty_master_fd < 0 || pty_slave_fd < 0)
return FAIL;
close(pty_slave_fd);
channel = add_channel();